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Unified Diff: runtime/vm/atomic_win.h

Issue 2344263002: Fix bad commit of stale patch set of original CL "Make NoReloadScope thread safe" (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: runtime/vm/atomic_win.h
diff --git a/runtime/vm/atomic_win.h b/runtime/vm/atomic_win.h
index 38ec10a1f8996841078d0dec585ed38f8fe84601..2f8ee20b5817e77e7869ba3dccfa857e21bdc441 100644
--- a/runtime/vm/atomic_win.h
+++ b/runtime/vm/atomic_win.h
@@ -28,6 +28,19 @@ inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) {
}
+inline intptr_t AtomicOperations::FetchAndIncrement(intptr_t* p) {
+#if defined(HOST_ARCH_X64)
+ return static_cast<intptr_t>(
+ InterlockedIncrement64(reinterpret_cast<LONGLONG*>(p))) - 1;
+#elif defined(HOST_ARCH_IA32)
+ return static_cast<intptr_t>(
+ InterlockedIncrement(reinterpret_cast<LONG*>(p))) - 1;
+#else
+#error Unsupported host architecture.
+#endif
+}
+
+
inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) {
#if defined(HOST_ARCH_X64)
InterlockedExchangeAdd64(reinterpret_cast<LONGLONG*>(p),
@@ -64,6 +77,19 @@ inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) {
}
+inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) {
+#if defined(HOST_ARCH_X64)
+ return static_cast<intptr_t>(
+ InterlockedDecrement64(reinterpret_cast<LONGLONG*>(p))) + 1;
+#elif defined(HOST_ARCH_IA32)
+ return static_cast<intptr_t>(
+ InterlockedDecrement(reinterpret_cast<LONG*>(p))) + 1;
+#else
+#error Unsupported host architecture.
+#endif
+}
+
+
inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) {
#if defined(HOST_ARCH_X64)
InterlockedExchangeAdd64(reinterpret_cast<LONGLONG*>(p),
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